Finding the Third Proportional to 2,555,360 and 5,629,219

Step by Step Solution

1. Step 1: Write the proportion equation
   2,555,360 : 5,629,219 = 5,629,219 : x
2. Step 2: Convert to fraction form
   2,555,360/5,629,219 = 5,629,219/x
3. Step 3: Cross multiply
   2,555,360x = 5,629,219 × 5,629,219
4. Step 4: Simplify right side
   2,555,360x = 31,688,106,549,961
5. Step 5: Solve for x
   x = 31,688,106,549,961/2,555,360
6. Step 6: Final answer
   x = 12,400,642.79